Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Yasuharu Nakai"'
Publikováno v:
physica status solidi (a). 197:482-486
Electroreflectance (ER) studies have performed on thermally oxidized porous Si (PSi) showing red and/or blue band photoluminescence (PL). Two ER features observed between 1.2 eV and 3.1 eV are found to be quite insensitive for degree of oxidation, so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ff71a77ede1fb06fe6190041143c4a2
https://doi.org/10.1002/pssa.200306549
https://doi.org/10.1002/pssa.200306549
Publikováno v:
Journal of Non-Crystalline Solids. :290-294
Employing electroreflectance (ER) spectroscopy, we have studied optical transitions in Si nanocrystals with an emphasis on the relation between the optical transition energy and the mean crystal size. The ER features are observed between 1.1 and 3.1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::176a3554cf99a35f15d796364b054970
https://doi.org/10.1016/s0022-3093(01)01006-7
https://doi.org/10.1016/s0022-3093(01)01006-7
Autor:
Souichirou Kubota, William Davison, Sei-ichi Kohno, Yasuharu Nakai, Takeshi Ishibashi, Yuji Goto
Publikováno v:
Chromosome Research. 3:321-330
We have confirmed that chromosome elimination occurs in the cells of Myxine glutinosa, collected from the Baltic Sea off Sweden, Eptatretus cirrhatus from the south Pacific Ocean off the east coast of New Zealand, and E. stoutii from the north-east P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ca469162a652e7b4dd0e0f0623e30be
https://doi.org/10.1007/bf00713071
https://doi.org/10.1007/bf00713071
Autor:
Daishiro Miura, Kimie Yagi, Yasuharu Nakai, Keiko Hirabayashi, Tokutaro Makita, Yoshinori Kasahara
Publikováno v:
Mutation Research/Genetic Toxicology. 280:117-128
Methotrexate (MTX), an inhibitor of dihydrofolate reductase (DHFR), slightly induced micronuclei and this induction of micronuclei was enhanced by multiple treatments with the drug (Yamamoto et al., 1981; Hayashi et al., 1984; CSGMT/JEMS · MMS, 1990
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::467826dad895173f4de953e64e5a73ff
https://doi.org/10.1016/0165-1218(92)90007-m
https://doi.org/10.1016/0165-1218(92)90007-m
Autor:
Michio Kadota, Daisuke Yamamoto, Kato Masanori, Kenji Nishiyama, Shunsuke Kido, Yasuharu Nakai, Norihiko Takada, Takeshi Nakao, Ryoichi Kita, Hiroshi Yonekura, Ryoichi Omote
Publikováno v:
2008 IEEE MTT-S International Microwave Symposium Digest.
Currently, miniature surface acoustic wave (SAW) devices (filters and duplexers) with a good temperature stability are strongly required. In order to realize its requirement, various SAW substrates combining a high density metal electrode, a SiO 2 fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62cebeff06d8c9148a0942b11aa72993
https://doi.org/10.1109/mwsym.2008.4632965
https://doi.org/10.1109/mwsym.2008.4632965
Publikováno v:
MRS Proceedings. 737
Linearly polarized electroreflectance (ER) measurements have been firstly performed on PSi with near-normal incident (NNI) and glancing-angle incident (GAI) light. In the NNI geometry, no significant polarization anisotropy is observed. Meanwhile, in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::637c6ebc92d6f5646ac414c096676aa4
https://doi.org/10.1557/proc-737-f3.43
https://doi.org/10.1557/proc-737-f3.43
Publikováno v:
MRS Proceedings. 638
Employing electroreflectance (ER) spectroscopy, we have studied optical transitions in porous Si (PSi) with a thickness of 100±50 nm made from crystalline Si (c-Si) substrates with different resistivities, 4–10 ωcm (p-), 0.1–1 ωcm (p), and < 0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac3d8b826a4141676d7aaf1c226c0913
https://doi.org/10.1557/proc-638-f3.5.1
https://doi.org/10.1557/proc-638-f3.5.1
Publikováno v:
The Biology of Hagfishes ISBN: 9789401064651
Morphological analyses of mitotic and meiotic chromosomes were performed in hagfish species. The kinetochores in both types of chromosomes appeared as a three-layered structure along the surfaces of chromosomes (12–50% of the length of the chromoso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9388973f911bd08aad8f02151ed520b
https://doi.org/10.1007/978-94-011-5834-3_6
https://doi.org/10.1007/978-94-011-5834-3_6
Autor:
Toshio Sofuni, Yasuharu Nakai, Takehiko Nohmi, Atsushi Hakura, Masahiko Watanabe, Somay Yamagata Murayama, Masami Yamada
Publikováno v:
Antimutagenesis and Anticarcinogenesis Mechanisms III ISBN: 9781461362999
Salmonella typhimurium, especially its derivatives containing pKMlOl plasmid, has been widely used in the Ames test for the detection of environmental mutagens and carcinogens (1,12). It is known, however, that if the pKM101 plasmid is eliminated, S.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::137571f372ab6bc3032945e57274ac9b
https://doi.org/10.1007/978-1-4615-2984-2_22
https://doi.org/10.1007/978-1-4615-2984-2_22
Publikováno v:
Japanese Journal of Applied Physics. 48:07GG02
The transition bandwidth of 20 MHz between the transmission (Tx: 1850–1910 MHz) and the receiving (Rx: 1930–1990 MHz) bands of personal communication service (PCS) handy phones in the United States (US) is very narrow compared with those of other
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc0e6c3a8c7d229189aa860c2a43cafa
https://doi.org/10.1143/jjap.48.07gg02
https://doi.org/10.1143/jjap.48.07gg02